AMDGPU: Preserve LiveIntervals in WQM

This seems to already be done, but wasn't marked. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356922 91177308-0d34-0410-b5e6-96231b3b80d8
ROCm · Mar 25, 2019 · 6375a63 · 6375a63
1 parent ea63013
commit 6375a63
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/Target/AMDGPU/SIWholeQuadMode.cpp b/lib/Target/AMDGPU/SIWholeQuadMode.cpp
@@ -200,6 +200,8 @@ class SIWholeQuadMode : public MachineFunctionPass {
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<LiveIntervals>();
+    AU.addPreserved<SlotIndexes>();
+    AU.addPreserved<LiveIntervals>();
     AU.setPreservesCFG();
     MachineFunctionPass::getAnalysisUsage(AU);
   }